vpx/test/convolve_test.cc
Jim Bankoski c3809f3de5 Begin to restrict x86inc.asm usage
Chromium does not support 32bit builds for Mac which use x86inc.asm.
Make the files which include it work if 64bit or not PIC enabled
starting with vp9_copy_sse2.asm

Consolidate these targets in vp9_rtcd_defs.sh

Change-Id: If18f0b957a611efd085a3ee7d245cf1eb91e8248
2013-08-05 12:07:30 -07:00

572 lines
20 KiB
C++

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/acm_random.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
extern "C" {
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_filter.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/mem.h"
}
namespace {
typedef void (*convolve_fn_t)(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int filter_x_stride,
const int16_t *filter_y, int filter_y_stride,
int w, int h);
struct ConvolveFunctions {
ConvolveFunctions(convolve_fn_t h8, convolve_fn_t h8_avg,
convolve_fn_t v8, convolve_fn_t v8_avg,
convolve_fn_t hv8, convolve_fn_t hv8_avg)
: h8_(h8), v8_(v8), hv8_(hv8), h8_avg_(h8_avg), v8_avg_(v8_avg),
hv8_avg_(hv8_avg) {}
convolve_fn_t h8_;
convolve_fn_t v8_;
convolve_fn_t hv8_;
convolve_fn_t h8_avg_;
convolve_fn_t v8_avg_;
convolve_fn_t hv8_avg_;
};
// Reference 8-tap subpixel filter, slightly modified to fit into this test.
#define VP9_FILTER_WEIGHT 128
#define VP9_FILTER_SHIFT 7
uint8_t clip_pixel(int x) {
return x < 0 ? 0 :
x > 255 ? 255 :
x;
}
void filter_block2d_8_c(const uint8_t *src_ptr,
const unsigned int src_stride,
const int16_t *HFilter,
const int16_t *VFilter,
uint8_t *dst_ptr,
unsigned int dst_stride,
unsigned int output_width,
unsigned int output_height) {
// Between passes, we use an intermediate buffer whose height is extended to
// have enough horizontally filtered values as input for the vertical pass.
// This buffer is allocated to be big enough for the largest block type we
// support.
const int kInterp_Extend = 4;
const unsigned int intermediate_height =
(kInterp_Extend - 1) + output_height + kInterp_Extend;
/* Size of intermediate_buffer is max_intermediate_height * filter_max_width,
* where max_intermediate_height = (kInterp_Extend - 1) + filter_max_height
* + kInterp_Extend
* = 3 + 16 + 4
* = 23
* and filter_max_width = 16
*/
uint8_t intermediate_buffer[71 * 64];
const int intermediate_next_stride = 1 - intermediate_height * output_width;
// Horizontal pass (src -> transposed intermediate).
{
uint8_t *output_ptr = intermediate_buffer;
const int src_next_row_stride = src_stride - output_width;
unsigned int i, j;
src_ptr -= (kInterp_Extend - 1) * src_stride + (kInterp_Extend - 1);
for (i = 0; i < intermediate_height; ++i) {
for (j = 0; j < output_width; ++j) {
// Apply filter...
const int temp = (src_ptr[0] * HFilter[0]) +
(src_ptr[1] * HFilter[1]) +
(src_ptr[2] * HFilter[2]) +
(src_ptr[3] * HFilter[3]) +
(src_ptr[4] * HFilter[4]) +
(src_ptr[5] * HFilter[5]) +
(src_ptr[6] * HFilter[6]) +
(src_ptr[7] * HFilter[7]) +
(VP9_FILTER_WEIGHT >> 1); // Rounding
// Normalize back to 0-255...
*output_ptr = clip_pixel(temp >> VP9_FILTER_SHIFT);
++src_ptr;
output_ptr += intermediate_height;
}
src_ptr += src_next_row_stride;
output_ptr += intermediate_next_stride;
}
}
// Vertical pass (transposed intermediate -> dst).
{
uint8_t *src_ptr = intermediate_buffer;
const int dst_next_row_stride = dst_stride - output_width;
unsigned int i, j;
for (i = 0; i < output_height; ++i) {
for (j = 0; j < output_width; ++j) {
// Apply filter...
const int temp = (src_ptr[0] * VFilter[0]) +
(src_ptr[1] * VFilter[1]) +
(src_ptr[2] * VFilter[2]) +
(src_ptr[3] * VFilter[3]) +
(src_ptr[4] * VFilter[4]) +
(src_ptr[5] * VFilter[5]) +
(src_ptr[6] * VFilter[6]) +
(src_ptr[7] * VFilter[7]) +
(VP9_FILTER_WEIGHT >> 1); // Rounding
// Normalize back to 0-255...
*dst_ptr++ = clip_pixel(temp >> VP9_FILTER_SHIFT);
src_ptr += intermediate_height;
}
src_ptr += intermediate_next_stride;
dst_ptr += dst_next_row_stride;
}
}
}
void block2d_average_c(uint8_t *src,
unsigned int src_stride,
uint8_t *output_ptr,
unsigned int output_stride,
unsigned int output_width,
unsigned int output_height) {
unsigned int i, j;
for (i = 0; i < output_height; ++i) {
for (j = 0; j < output_width; ++j) {
output_ptr[j] = (output_ptr[j] + src[i * src_stride + j] + 1) >> 1;
}
output_ptr += output_stride;
}
}
void filter_average_block2d_8_c(const uint8_t *src_ptr,
const unsigned int src_stride,
const int16_t *HFilter,
const int16_t *VFilter,
uint8_t *dst_ptr,
unsigned int dst_stride,
unsigned int output_width,
unsigned int output_height) {
uint8_t tmp[64 * 64];
assert(output_width <= 64);
assert(output_height <= 64);
filter_block2d_8_c(src_ptr, src_stride, HFilter, VFilter, tmp, 64,
output_width, output_height);
block2d_average_c(tmp, 64, dst_ptr, dst_stride,
output_width, output_height);
}
class ConvolveTest : public PARAMS(int, int, const ConvolveFunctions*) {
public:
static void SetUpTestCase() {
// Force input_ to be unaligned, output to be 16 byte aligned.
input_ = reinterpret_cast<uint8_t*>(
vpx_memalign(kDataAlignment, kInputBufferSize + 1)) + 1;
output_ = reinterpret_cast<uint8_t*>(
vpx_memalign(kDataAlignment, kOutputBufferSize));
}
static void TearDownTestCase() {
vpx_free(input_ - 1);
input_ = NULL;
vpx_free(output_);
output_ = NULL;
}
protected:
static const int kDataAlignment = 16;
static const int kOuterBlockSize = 128;
static const int kInputStride = kOuterBlockSize;
static const int kOutputStride = kOuterBlockSize;
static const int kMaxDimension = 64;
static const int kInputBufferSize = kOuterBlockSize * kOuterBlockSize;
static const int kOutputBufferSize = kOuterBlockSize * kOuterBlockSize;
int Width() const { return GET_PARAM(0); }
int Height() const { return GET_PARAM(1); }
int BorderLeft() const {
const int center = (kOuterBlockSize - Width()) / 2;
return (center + (kDataAlignment - 1)) & ~(kDataAlignment - 1);
}
int BorderTop() const { return (kOuterBlockSize - Height()) / 2; }
bool IsIndexInBorder(int i) {
return (i < BorderTop() * kOuterBlockSize ||
i >= (BorderTop() + Height()) * kOuterBlockSize ||
i % kOuterBlockSize < BorderLeft() ||
i % kOuterBlockSize >= (BorderLeft() + Width()));
}
virtual void SetUp() {
UUT_ = GET_PARAM(2);
/* Set up guard blocks for an inner block centered in the outer block */
for (int i = 0; i < kOutputBufferSize; ++i) {
if (IsIndexInBorder(i))
output_[i] = 255;
else
output_[i] = 0;
}
::libvpx_test::ACMRandom prng;
for (int i = 0; i < kInputBufferSize; ++i)
input_[i] = prng.Rand8Extremes();
}
void CheckGuardBlocks() {
for (int i = 0; i < kOutputBufferSize; ++i) {
if (IsIndexInBorder(i))
EXPECT_EQ(255, output_[i]);
}
}
uint8_t* input() const {
return input_ + BorderTop() * kOuterBlockSize + BorderLeft();
}
uint8_t* output() const {
return output_ + BorderTop() * kOuterBlockSize + BorderLeft();
}
const ConvolveFunctions* UUT_;
static uint8_t* input_;
static uint8_t* output_;
};
uint8_t* ConvolveTest::input_ = NULL;
uint8_t* ConvolveTest::output_ = NULL;
TEST_P(ConvolveTest, GuardBlocks) {
CheckGuardBlocks();
}
TEST_P(ConvolveTest, CopyHoriz) {
uint8_t* const in = input();
uint8_t* const out = output();
DECLARE_ALIGNED(256, const int16_t, filter8[8]) = {0, 0, 0, 128, 0, 0, 0, 0};
REGISTER_STATE_CHECK(
UUT_->h8_(in, kInputStride, out, kOutputStride, filter8, 16, filter8, 16,
Width(), Height()));
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y)
for (int x = 0; x < Width(); ++x)
ASSERT_EQ(out[y * kOutputStride + x], in[y * kInputStride + x])
<< "(" << x << "," << y << ")";
}
TEST_P(ConvolveTest, CopyVert) {
uint8_t* const in = input();
uint8_t* const out = output();
DECLARE_ALIGNED(256, const int16_t, filter8[8]) = {0, 0, 0, 128, 0, 0, 0, 0};
REGISTER_STATE_CHECK(
UUT_->v8_(in, kInputStride, out, kOutputStride, filter8, 16, filter8, 16,
Width(), Height()));
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y)
for (int x = 0; x < Width(); ++x)
ASSERT_EQ(out[y * kOutputStride + x], in[y * kInputStride + x])
<< "(" << x << "," << y << ")";
}
TEST_P(ConvolveTest, Copy2D) {
uint8_t* const in = input();
uint8_t* const out = output();
DECLARE_ALIGNED(256, const int16_t, filter8[8]) = {0, 0, 0, 128, 0, 0, 0, 0};
REGISTER_STATE_CHECK(
UUT_->hv8_(in, kInputStride, out, kOutputStride, filter8, 16, filter8, 16,
Width(), Height()));
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y)
for (int x = 0; x < Width(); ++x)
ASSERT_EQ(out[y * kOutputStride + x], in[y * kInputStride + x])
<< "(" << x << "," << y << ")";
}
const int16_t (*kTestFilterList[])[8] = {
vp9_bilinear_filters,
vp9_sub_pel_filters_8,
vp9_sub_pel_filters_8s,
vp9_sub_pel_filters_8lp
};
const int kNumFilterBanks = sizeof(kTestFilterList) /
sizeof(kTestFilterList[0]);
const int kNumFilters = 16;
TEST(ConvolveTest, FiltersWontSaturateWhenAddedPairwise) {
for (int filter_bank = 0; filter_bank < kNumFilterBanks; ++filter_bank) {
const int16_t (*filters)[8] = kTestFilterList[filter_bank];
for (int i = 0; i < kNumFilters; i++) {
const int p0 = filters[i][0] + filters[i][1];
const int p1 = filters[i][2] + filters[i][3];
const int p2 = filters[i][4] + filters[i][5];
const int p3 = filters[i][6] + filters[i][7];
EXPECT_LE(p0, 128);
EXPECT_LE(p1, 128);
EXPECT_LE(p2, 128);
EXPECT_LE(p3, 128);
EXPECT_LE(p0 + p3, 128);
EXPECT_LE(p0 + p3 + p1, 128);
EXPECT_LE(p0 + p3 + p1 + p2, 128);
EXPECT_EQ(p0 + p1 + p2 + p3, 128);
}
}
}
const int16_t kInvalidFilter[8] = { 0 };
TEST_P(ConvolveTest, MatchesReferenceSubpixelFilter) {
uint8_t* const in = input();
uint8_t* const out = output();
uint8_t ref[kOutputStride * kMaxDimension];
for (int filter_bank = 0; filter_bank < kNumFilterBanks; ++filter_bank) {
const int16_t (*filters)[8] = kTestFilterList[filter_bank];
for (int filter_x = 0; filter_x < kNumFilters; ++filter_x) {
for (int filter_y = 0; filter_y < kNumFilters; ++filter_y) {
filter_block2d_8_c(in, kInputStride,
filters[filter_x], filters[filter_y],
ref, kOutputStride,
Width(), Height());
if (filters == vp9_sub_pel_filters_8lp || (filter_x && filter_y))
REGISTER_STATE_CHECK(
UUT_->hv8_(in, kInputStride, out, kOutputStride,
filters[filter_x], 16, filters[filter_y], 16,
Width(), Height()));
else if (filter_y)
REGISTER_STATE_CHECK(
UUT_->v8_(in, kInputStride, out, kOutputStride,
kInvalidFilter, 16, filters[filter_y], 16,
Width(), Height()));
else
REGISTER_STATE_CHECK(
UUT_->h8_(in, kInputStride, out, kOutputStride,
filters[filter_x], 16, kInvalidFilter, 16,
Width(), Height()));
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y)
for (int x = 0; x < Width(); ++x)
ASSERT_EQ(ref[y * kOutputStride + x], out[y * kOutputStride + x])
<< "mismatch at (" << x << "," << y << "), "
<< "filters (" << filter_bank << ","
<< filter_x << "," << filter_y << ")";
}
}
}
}
TEST_P(ConvolveTest, MatchesReferenceAveragingSubpixelFilter) {
uint8_t* const in = input();
uint8_t* const out = output();
uint8_t ref[kOutputStride * kMaxDimension];
// Populate ref and out with some random data
::libvpx_test::ACMRandom prng;
for (int y = 0; y < Height(); ++y) {
for (int x = 0; x < Width(); ++x) {
const uint8_t r = prng.Rand8Extremes();
out[y * kOutputStride + x] = r;
ref[y * kOutputStride + x] = r;
}
}
const int kNumFilterBanks = sizeof(kTestFilterList) /
sizeof(kTestFilterList[0]);
for (int filter_bank = 0; filter_bank < kNumFilterBanks; ++filter_bank) {
const int16_t (*filters)[8] = kTestFilterList[filter_bank];
const int kNumFilters = 16;
for (int filter_x = 0; filter_x < kNumFilters; ++filter_x) {
for (int filter_y = 0; filter_y < kNumFilters; ++filter_y) {
filter_average_block2d_8_c(in, kInputStride,
filters[filter_x], filters[filter_y],
ref, kOutputStride,
Width(), Height());
if (filters == vp9_sub_pel_filters_8lp || (filter_x && filter_y))
REGISTER_STATE_CHECK(
UUT_->hv8_avg_(in, kInputStride, out, kOutputStride,
filters[filter_x], 16, filters[filter_y], 16,
Width(), Height()));
else if (filter_y)
REGISTER_STATE_CHECK(
UUT_->v8_avg_(in, kInputStride, out, kOutputStride,
filters[filter_x], 16, filters[filter_y], 16,
Width(), Height()));
else
REGISTER_STATE_CHECK(
UUT_->h8_avg_(in, kInputStride, out, kOutputStride,
filters[filter_x], 16, filters[filter_y], 16,
Width(), Height()));
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y)
for (int x = 0; x < Width(); ++x)
ASSERT_EQ(ref[y * kOutputStride + x], out[y * kOutputStride + x])
<< "mismatch at (" << x << "," << y << "), "
<< "filters (" << filter_bank << ","
<< filter_x << "," << filter_y << ")";
}
}
}
}
DECLARE_ALIGNED(256, const int16_t, kChangeFilters[16][8]) = {
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 128},
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128},
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 128},
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128}
};
TEST_P(ConvolveTest, ChangeFilterWorks) {
uint8_t* const in = input();
uint8_t* const out = output();
const int kPixelSelected = 4;
REGISTER_STATE_CHECK(UUT_->h8_(in, kInputStride, out, kOutputStride,
kChangeFilters[8], 17, kChangeFilters[4], 16,
Width(), Height()));
for (int x = 0; x < Width(); ++x) {
const int kQ4StepAdjust = x >> 4;
const int kFilterPeriodAdjust = (x >> 3) << 3;
const int ref_x = kQ4StepAdjust + kFilterPeriodAdjust + kPixelSelected;
ASSERT_EQ(in[ref_x], out[x]) << "x == " << x;
}
REGISTER_STATE_CHECK(UUT_->v8_(in, kInputStride, out, kOutputStride,
kChangeFilters[4], 16, kChangeFilters[8], 17,
Width(), Height()));
for (int y = 0; y < Height(); ++y) {
const int kQ4StepAdjust = y >> 4;
const int kFilterPeriodAdjust = (y >> 3) << 3;
const int ref_y = kQ4StepAdjust + kFilterPeriodAdjust + kPixelSelected;
ASSERT_EQ(in[ref_y * kInputStride], out[y * kInputStride]) << "y == " << y;
}
REGISTER_STATE_CHECK(UUT_->hv8_(in, kInputStride, out, kOutputStride,
kChangeFilters[8], 17, kChangeFilters[8], 17,
Width(), Height()));
for (int y = 0; y < Height(); ++y) {
const int kQ4StepAdjustY = y >> 4;
const int kFilterPeriodAdjustY = (y >> 3) << 3;
const int ref_y = kQ4StepAdjustY + kFilterPeriodAdjustY + kPixelSelected;
for (int x = 0; x < Width(); ++x) {
const int kQ4StepAdjustX = x >> 4;
const int kFilterPeriodAdjustX = (x >> 3) << 3;
const int ref_x = kQ4StepAdjustX + kFilterPeriodAdjustX + kPixelSelected;
ASSERT_EQ(in[ref_y * kInputStride + ref_x], out[y * kOutputStride + x])
<< "x == " << x << ", y == " << y;
}
}
}
using std::tr1::make_tuple;
const ConvolveFunctions convolve8_c(
vp9_convolve8_horiz_c, vp9_convolve8_avg_horiz_c,
vp9_convolve8_vert_c, vp9_convolve8_avg_vert_c,
vp9_convolve8_c, vp9_convolve8_avg_c);
INSTANTIATE_TEST_CASE_P(C, ConvolveTest, ::testing::Values(
make_tuple(4, 4, &convolve8_c),
make_tuple(8, 4, &convolve8_c),
make_tuple(4, 8, &convolve8_c),
make_tuple(8, 8, &convolve8_c),
make_tuple(16, 8, &convolve8_c),
make_tuple(8, 16, &convolve8_c),
make_tuple(16, 16, &convolve8_c),
make_tuple(32, 16, &convolve8_c),
make_tuple(16, 32, &convolve8_c),
make_tuple(32, 32, &convolve8_c),
make_tuple(64, 32, &convolve8_c),
make_tuple(32, 64, &convolve8_c),
make_tuple(64, 64, &convolve8_c)));
#if HAVE_SSSE3
const ConvolveFunctions convolve8_ssse3(
vp9_convolve8_horiz_ssse3, vp9_convolve8_avg_horiz_ssse3,
vp9_convolve8_vert_ssse3, vp9_convolve8_avg_vert_ssse3,
vp9_convolve8_ssse3, vp9_convolve8_avg_ssse3);
INSTANTIATE_TEST_CASE_P(SSSE3, ConvolveTest, ::testing::Values(
make_tuple(4, 4, &convolve8_ssse3),
make_tuple(8, 4, &convolve8_ssse3),
make_tuple(4, 8, &convolve8_ssse3),
make_tuple(8, 8, &convolve8_ssse3),
make_tuple(16, 8, &convolve8_ssse3),
make_tuple(8, 16, &convolve8_ssse3),
make_tuple(16, 16, &convolve8_ssse3),
make_tuple(32, 16, &convolve8_ssse3),
make_tuple(16, 32, &convolve8_ssse3),
make_tuple(32, 32, &convolve8_ssse3),
make_tuple(64, 32, &convolve8_ssse3),
make_tuple(32, 64, &convolve8_ssse3),
make_tuple(64, 64, &convolve8_ssse3)));
#endif
#if HAVE_NEON
const ConvolveFunctions convolve8_neon(
vp9_convolve8_horiz_neon, vp9_convolve8_avg_horiz_neon,
vp9_convolve8_vert_neon, vp9_convolve8_avg_vert_neon,
vp9_convolve8_neon, vp9_convolve8_avg_neon);
INSTANTIATE_TEST_CASE_P(NEON, ConvolveTest, ::testing::Values(
make_tuple(4, 4, &convolve8_neon),
make_tuple(8, 4, &convolve8_neon),
make_tuple(4, 8, &convolve8_neon),
make_tuple(8, 8, &convolve8_neon),
make_tuple(16, 8, &convolve8_neon),
make_tuple(8, 16, &convolve8_neon),
make_tuple(16, 16, &convolve8_neon),
make_tuple(32, 16, &convolve8_neon),
make_tuple(16, 32, &convolve8_neon),
make_tuple(32, 32, &convolve8_neon),
make_tuple(64, 32, &convolve8_neon),
make_tuple(32, 64, &convolve8_neon),
make_tuple(64, 64, &convolve8_neon)));
#endif
} // namespace